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Offline Andrey Ivashov  
#1 Posted : 20 June 2022 14:44:05(UTC)
Andrey Ivashov


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Joined: 11/07/2008(UTC)
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SMath Studio - SMath
Created by SMath LLC in the scope of SMath project. Published by smath.

SMath Studio

  • SMath Studio box
  • Calculation of Gravitation Acceleration example
  • Example of animation on the Worksheet
  • Extensions Manager tool
  • Opened math Reference Book
  • SMath Viewer output to Autocad example
  • SMath Studio on iOS
  • SMath Studio on iPad

Tiny, but powerful mathematical program with WYSIWYG editor and complete units of measurements support.

It provides numerous computing features and rich user interface translated into about 40 different languages. Application also contains integrated mathematical reference book.

Stable version

Free for personal usage! Plans for Organizations are available!

Application can be easily extended based on your needs. Built-in Extensions Manager tool allows to get access to hundreds official and third-party resources of the following types: usage examples, plug-ins, SMath Viewer based applications, snippets, interface translations, interactive books, handbooks and tutorials.

They trust us *

* Customers' names and logos are used with the written permission of the copyright holders.

They talk about us (all reviews...)

  • This fantastic free alternative to Mathcad is going from strength to strength and I am really enjoying watching its progress. Andrey has produced something that is genuinely useful, multiplatform, fun to use and, most importantly of all, he listens to his users. Well worth a download.

    by Beerus

  • Very good app! Thanks a lot for it!

    by Dane

  • beautiful strument

    by michele

  • Without a doubt it is one of the best tools for engineering, a good substitute for Mathcad

    by Marcel F. Chevalier S.

  • Excelente alternativa para reemplazar a Mathcad, me ha ayudado mucho en mi carrera de Ingeniaría Civil, me suscribí al plan anual, gracias.

    by Cristian Yamid Pérez Peña

  • Herramienta poderosa y versatil tanto en el ambito profesional, como academico. Un trabajo muy brillante.

    by Sergio OLarte

  • Smath is easy to use tool and its is freeware.I used for engineering calculations instead of easing excel. Its a time saver.

    by Naresh varikuntla

  • Great program for conducting engineering calculations. The ability to insert text blocks and pictures makes it perfect for both computation and communication of the results to colleagues.

    by Filip Finodeyev

  • Simple and Elegant

    by Egbert Sales

  • I really like it. It's one of the most usable free software applications I deal with.

    by Juanma Belda

SMath Studio in publications (all publications...)

SMath Studio plug-ins (all plug-ins...)

The functionality of the program can be expanded through the installation of plug-ins created by third-party developers and companies, as well as those prepared by the SMath LLC team. Most plug-ins are open source and can be modified if necessary.

  • 3D Plot Region (discussion...)
    Extends SMath Studio with a 3D Plot Region.
    Extends SMath Studio with a 3D Plot Region.
    Jack Xu, Viacheslav N. Mezentsev (viacheslavmezentsev@ya.ru)
  • Data Exchange (discussion...)
    Extends SMath Studio with more save/import/export features.
    Extends SMath Studio with more save/import/export features.
    Davide Carpi (davide.carpi@gmail.com)
  • WaterSteamPro
    Access to a set of programs for calculating properties of water, steam, gases and gases mixtures. Requires separate installation of the Water Steam Pro libraries and appropriate license for it (see http://www.wsp.ru/).
    Access to a set of programs for calculating properties of water, steam, gases and gases mixtures. Requires separate installation of the Water Steam Pro libraries and appropriate license for it (see http://www.wsp.ru/).
    ООО "ЭсМат"
  • MaximaPlugin (discussion...)
    Provides access to the free and open source computer algebra system Maxima.
    Provides access to the free and open source computer algebra system Maxima.
    Kay Graubmann & Martin Kraska (THB www.th-brandenburg.de)
  • X-Y Plot Region (discussion...)
    Extends SMath Studio with a X-Y Plot Region.
    Extends SMath Studio with a X-Y Plot Region.
    Jack Xu, Viacheslav N. Mezentsev (viacheslavmezentsev@ya.ru)
  • CoolProp Wrapper (discussion...)
    A SMath Studio native wrapper of the CoolProp library (www.coolprop.org) - thermophysical property database and wrappers for a selection of programming environments.
    A SMath Studio native wrapper of the CoolProp library (www.coolprop.org) - thermophysical property database and wrappers for a selection of programming environments.
    Mike Kaganski
  • Nonlinear Solvers (discussion...)
    Contains nonlinear solvers for equations and systems of equations: Bisected Direct Quadratic Regula Falsi (BDQRF), Bisection, Brent's, Broyden's, Homotopy, Newton-Raphson, Ridder's, Secant, etc.
    Contains nonlinear solvers for equations and systems of equations: Bisected Direct Quadratic Regula Falsi (BDQRF), Bisection, Brent's, Broyden's, Homotopy, Newton-Raphson, Ridder's, Secant, etc.
    Davide Carpi (davide.carpi@gmail.com)
  • DSP Library (discussion...)
    Digital Signal Processing Library: spectral analysis, IIR and FIR filters, resampling algorithms, etc.
    Digital Signal Processing Library: spectral analysis, IIR and FIR filters, resampling algorithms, etc.
    Sergey Bakhurin (http://dsplib.org), Viacheslav N. Mezentsev (viacheslavmezentsev@ya.ru)
  • Statistical Tools (discussion...)
    Extends SMath Studio with statistical tools: Sample Estimators, Probability Density, Cumulative Density, Quantile functions, Random Numbers, etc.
    Extends SMath Studio with statistical tools: Sample Estimators, Probability Density, Cumulative Density, Quantile functions, Random Numbers, etc.
    Davide Carpi (davide.carpi@gmail.com)
  • SQLite Plugin (discussion...)
    Provides an interface to the SQLite relational database engine.
    Provides an interface to the SQLite relational database engine.
    Chris Bietz, Viacheslav N. Mezentsev
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thanks 6 users thanked Andrey Ivashov for this useful post.
on 20/06/2022(UTC),  on 20/06/2022(UTC),  on 20/06/2022(UTC),  on 20/06/2022(UTC),  on 20/06/2022(UTC),  on 23/06/2022(UTC)

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Offline Andrey Ivashov  
#2 Posted : 20 June 2022 14:56:34(UTC)
Andrey Ivashov


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Any case of "if" statement is available now.
if_any_1.png

Approximately equal operator is available now (see Options dialog to set the accuracy):
approx_equal_1.png
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thanks 9 users thanked Andrey Ivashov for this useful post.
on 20/06/2022(UTC),  on 20/06/2022(UTC),  on 20/06/2022(UTC),  on 20/06/2022(UTC),  on 20/06/2022(UTC),  on 20/06/2022(UTC),  on 20/06/2022(UTC),  on 21/06/2022(UTC),  on 22/06/2022(UTC)
Offline alyles  
#3 Posted : 20 June 2022 22:19:51(UTC)
alyles


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Hi Andrey,

I see the "Approximately equal" operator accuracy varies from 0 to 15. What does this value actually represent?
Feel free to join the SMath Studio Users Discord Channel: https://discord.gg/PayZpJW
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Offline Andrey Ivashov  
#4 Posted : 21 June 2022 00:51:54(UTC)
Andrey Ivashov


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Originally Posted by: alyles Go to Quoted Post
I see the "Approximately equal" operator accuracy varies from 0 to 15. What does this value actually represent?

Hi! It is an accuracy of the "Approximately equal" operator. F.e. if the accuracy is 0, then pi≈3, if 1, then pi≈3.1, if accuracy is set as 2, then pi≈3.14 etc.

Best regards.
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Offline loha  
#5 Posted : 21 June 2022 08:40:14(UTC)
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Great to see Smath Studio is continuously improving! Clap
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Offline PompelmoTell  
#6 Posted : 21 June 2022 20:56:41(UTC)
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Hi Andrey,
considering that the "accuracy operator" parameter that regulates "approximately equal" is unique, wouldn't it be appropriate that it is defined in percentage terms?
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Offline alyles  
#7 Posted : 21 June 2022 22:30:56(UTC)
alyles


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It's more than just the decimal place precision.

Untitled.png

approximately.sm (5kb) downloaded 20 time(s).
Feel free to join the SMath Studio Users Discord Channel: https://discord.gg/PayZpJW
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Offline alyles  
#8 Posted : 21 June 2022 23:38:46(UTC)
alyles


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Originally Posted by: PompelmoTell Go to Quoted Post
Hi Andrey,
considering that the "accuracy operator" parameter that regulates "approximately equal" is unique, wouldn't it be appropriate that it is defined in percentage terms?


Regarding that.. I think "precision operator" more appropriately reflects the intended purpose.
Feel free to join the SMath Studio Users Discord Channel: https://discord.gg/PayZpJW
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Offline overlord  
#9 Posted : 22 June 2022 00:56:10(UTC)
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Originally Posted by: Andrey Ivashov Go to Quoted Post
Hi! It is an accuracy of the "Approximately equal" operator. F.e. if the accuracy is 0, then pi≈3, if 1, then pi≈3.1, if accuracy is set as 2, then pi≈3.14 etc.

Best regards.

This is a nice new feature.
Would it be possible to modify this value independent to regions?
Adding another submenu to region right-click would be awesome.
As in decimal places, exponential threshold, rounding choosing.

Regards
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Offline Razonar  
#10 Posted : 22 June 2022 04:18:57(UTC)
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Hi. About the new approximately equal operator, another way to introduce it could be introducing a general infix operator, like in Mathcad. This screen capture is from Mathcad 6 running in Windows 3.11:

Clipboard02.jpg

For work with units you just need to modify the rhs by abs( a-b ) < UnitsOf( a-b )*TOL (or maybe UoM). Notice that also can be a solution for another features requests, like this one about inline division: https://en.smath.com/for...614_Inline-division.aspx

About the "Defined Integral supports units now" it is a major improvement, and while there will be many worksheets to update, it is a substantial and very welcome improvement. I do think that some kind of special announcement should be made. Also, if you plan to also modify solve and roots to accept drives, you may want to introduce the two improvements together in a future stable beta release.

Finally, many thanks to you Andrey and to all the developers who collaborate with the plugins for this excellent program.

Best regards.
Alvaro.

Edited by user 22 June 2022 04:20:57(UTC)  | Reason: Not specified
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Offline Jacques.chen  
#11 Posted : 22 June 2022 05:20:49(UTC)
Jacques.chen


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Posts: 10
China
Location: zhejiang
Originally Posted by: Andrey Ivashov Go to Quoted Post
SMath Studio - SMath
Created by SMath LLC in the scope of SMath project. Published by smath.

SMath Studio

  • SMath Studio box
  • Calculation of Gravitation Acceleration example
  • Example of animation on the Worksheet
  • Extensions Manager tool
  • Opened math Reference Book
  • SMath Viewer output to Autocad example
  • SMath Studio on iOS
  • SMath Studio on iPad

Tiny, but powerful mathematical program with WYSIWYG editor and complete units of measurements support.

It provides numerous computing features and rich user interface translated into about 40 different languages. Application also contains integrated mathematical reference book.

Stable version

Free for personal usage! Plans for Organizations are available!

Application can be easily extended based on your needs. Built-in Extensions Manager tool allows to get access to hundreds official and third-party resources of the following types: usage examples, plug-ins, SMath Viewer based applications, snippets, interface translations, interactive books, handbooks and tutorials.

They trust us *

* Customers' names and logos are used with the written permission of the copyright holders.

They talk about us (all reviews...)

  • Thank you for SMath. It's been a life saver.

    by Bob Johansson P.Eng.

  • Es un imprescindible para el día a día. Muchísimas gracias Mr Andrey Ivashov.

    by Ángel Álvarez

  • The most important daily-use software for engineers. Far more powerful than actual Mathcad Prime. I actually use more SMath Studio than MS Excel at work. Thank you, Andrey, for this GEM.

    by Alvaro Gavilán Rojas

  • Es ist die einzige Alternative zum mittlerweile desaströsen MathCAD. Mit dem ich Jahrzehnte -seit der Version 3.0- sehr gut und gern arbeitete. MathCAD war exzellent, um komplizierte Mathematik im Ingenieurwesen anzuwenden. MathCAD ist heute viel unübersichtlicher und alles dauert viel länger, bei drastisch reduzierter Funktionalität. Das MathCAD-Team empfiehlt "Profis" Shortcuts, wie in Zeiten, als die Bildschirme noch grün waren. Ich wünsche mir, dass Ihr, Andrey und Dein Team, auch die Apple-Version bald offerieren könnt und Euch vor allem auf mathematische Features für Ingenieure fokussiert. Dass man auch bald mit wieder mit Operatoren, wie dem NABLA-Operator symbolisch rechnen kann. Viel Erfolg auf Eurem Weg. Mit SMath Mathematik in mathematischer Notation anwenden, ist wie Muttersprache sprechen. Die geniale Idee, Funktionen und Operationen auf einen virtuellen Taschenrechner zu packen, ist extrem intuitiv und erleichtert die Bedienung. Weiter so.

    by Michael Stanimirov

  • luce muy bueno el programa, demasiado útil, una potente herramienta de calculo de uso libre

    by IVAN KALLATA

  • I have been wishing for a sensible alternative to the free version of MathCAD for a long time. I find such software a crucial tool for writing technical-paper-style documents with live formulas and units carried throughout. I am so happy to have found SMath Studio as it is not just a completely free, fully featured alternative, but I find it to be much better in that it is tiny, is easier to use, has nice community support and has nice expandability by others (through plugins). It has features I've always wanted like setting of number of significant digits (not just number of decimal places), easier typing of subscripts, better plotting (via the X-Y Plot plugin), ability to include other SMath files (like my own units definitions), the very innovative and helpful "dynamic assistant", the ability to assign values to variables *after* the writing of a formula, no watermark across each page, and many other improvements that I have yet to discover. Since I am so pleased, I just donated $100 which I feel is a more reasonable amount for software like this. Thank you, Andrey!

    by John David Heinzmann

  • Excellent tool for electric engineering. Must have portable software on your USB key. Symbolic calculations is a great value for electronics.

    by Igor Skarine

  • Thanks Andrey Ivashov for this wonderful tool that you provided. It is designed very well and the best opensource alternative to MathCAD available.

    by Walter

  • It's perfect alternative to Mathcad. The solution to make another namespace for measure units - is genious!

    by Sergey Grunenko

  • Tenho usado Mathcad por muitos anos, como estudante, como pesquisador e como engenheiro químico. Mas Mathcad se tornou inviável há alguns anos. É formidável ter uma ferramenta tão boa quanto ele de forma gratuita ou a curtos muito baixos como o SMath! Obrigado LLC SMath e Andrey Ivashov!

    by Alexandre Umpierre

SMath Studio in publications (all publications...)

SMath Studio plug-ins (all plug-ins...)

The functionality of the program can be expanded through the installation of plug-ins created by third-party developers and companies, as well as those prepared by the SMath LLC team. Most plug-ins are open source and can be modified if necessary.

  • 3D Plot Region (discussion...)
    Extends SMath Studio with a 3D Plot Region.
    Extends SMath Studio with a 3D Plot Region.
    Jack Xu, Viacheslav N. Mezentsev (viacheslavmezentsev@ya.ru)
  • Data Exchange (discussion...)
    Extends SMath Studio with more save/import/export features.
    Extends SMath Studio with more save/import/export features.
    Davide Carpi (davide.carpi@gmail.com)
  • WaterSteamPro
    Access to a set of programs for calculating properties of water, steam, gases and gases mixtures. Requires separate installation of the Water Steam Pro libraries and appropriate license for it (see http://www.wsp.ru/).
    Access to a set of programs for calculating properties of water, steam, gases and gases mixtures. Requires separate installation of the Water Steam Pro libraries and appropriate license for it (see http://www.wsp.ru/).
    ООО "ЭсМат"
  • MaximaPlugin (discussion...)
    Provides access to the free and open source computer algebra system Maxima.
    Provides access to the free and open source computer algebra system Maxima.
    Kay Graubmann & Martin Kraska (THB www.th-brandenburg.de)
  • X-Y Plot Region (discussion...)
    Extends SMath Studio with a X-Y Plot Region.
    Extends SMath Studio with a X-Y Plot Region.
    Jack Xu, Viacheslav N. Mezentsev (viacheslavmezentsev@ya.ru)
  • CoolProp Wrapper (discussion...)
    A SMath Studio native wrapper of the CoolProp library (www.coolprop.org) - thermophysical property database and wrappers for a selection of programming environments.
    A SMath Studio native wrapper of the CoolProp library (www.coolprop.org) - thermophysical property database and wrappers for a selection of programming environments.
    Mike Kaganski
  • Nonlinear Solvers (discussion...)
    Contains nonlinear solvers for equations and systems of equations: Bisected Direct Quadratic Regula Falsi (BDQRF), Bisection, Brent's, Broyden's, Homotopy, Newton-Raphson, Ridder's, Secant, etc.
    Contains nonlinear solvers for equations and systems of equations: Bisected Direct Quadratic Regula Falsi (BDQRF), Bisection, Brent's, Broyden's, Homotopy, Newton-Raphson, Ridder's, Secant, etc.
    Davide Carpi (davide.carpi@gmail.com)
  • DSP Library (discussion...)
    Digital Signal Processing Library: spectral analysis, IIR and FIR filters, resampling algorithms, etc.
    Digital Signal Processing Library: spectral analysis, IIR and FIR filters, resampling algorithms, etc.
    Sergey Bakhurin (http://dsplib.org), Viacheslav N. Mezentsev (viacheslavmezentsev@ya.ru)
  • Statistical Tools (discussion...)
    Extends SMath Studio with statistical tools: Sample Estimators, Probability Density, Cumulative Density, Quantile functions, Random Numbers, etc.
    Extends SMath Studio with statistical tools: Sample Estimators, Probability Density, Cumulative Density, Quantile functions, Random Numbers, etc.
    Davide Carpi (davide.carpi@gmail.com)
  • SQLite Plugin (discussion...)
    Provides an interface to the SQLite relational database engine.
    Provides an interface to the SQLite relational database engine.
    Chris Bietz, Viacheslav N. Mezentsev


how to input else if? I use SMathStudioDesktop.1_0_8206.Mono
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Offline Davide Carpi  
#12 Posted : 22 June 2022 09:30:47(UTC)
Davide Carpi


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Originally Posted by: Jacques.chen Go to Quoted Post

how to input else if? I use SMathStudioDesktop.1_0_8206.Mono


In the placeholders of the if() function type an "argument separator" symbol (comma or semicolon, usually)

if.gif


The if without else will improve alot the readability of many scripts, thank you Andrey.

Edited by user 22 June 2022 13:54:44(UTC)  | Reason: Not specified

If you like my plugins consider to support SMath Studio buying a plan; to offer me a coffee: paypal.me/dcprojects
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thanks 2 users thanked Davide Carpi for this useful post.
on 22/06/2022(UTC),  on 27/06/2022(UTC)
Offline overlord  
#13 Posted : 22 June 2022 19:25:56(UTC)
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Originally Posted by: Jean Giraud Go to Quoted Post
~=
I found no way to code double tilde Office 2000 in Win 7.
Works fine as separate utility.

Maths Round(U,n) UTILITIES.sm (15kb) downloaded 17 time(s).

This is not the right place to post samples.
Could any admin delete post above with mine?

Regards
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Offline avp  
#14 Posted : 04 July 2022 17:23:53(UTC)
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Snimok ehkrana 2022-07-04 172054.pngSnimok ehkrana 2022-07-04 171920.png
Перестали вычисляться безразмерные интегралы
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Offline avp  
#15 Posted : 04 July 2022 22:05:19(UTC)
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Bezymjannyjj.png

Thank you. But the problem is not because of eval(). She's somewhere deeper. My f3(x) and f4(x) limits are ainterp() of the table data.
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Offline Razonar  
#16 Posted : 04 July 2022 23:22:02(UTC)
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Originally Posted by: avp Go to Quoted Post
...
Thank you. But the problem is not because of eval(). She's somewhere deeper. My f3(x) and f4(x) limits are ainterp() of the table data.


Hi. Yes, I see that there are more than one issue with the double integration, even for some simple cases it is not sowed.

Clipboard01.jpg

Best regards.
Alvaro.
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Offline avp  
#17 Posted : 05 July 2022 11:38:34(UTC)
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Originally Posted by: Jean Giraud Go to Quoted Post
You don't provide enough maths for attempting to doctor.
You may get inspired from the double Simpson integrator.
Please, don't hesitate ... Jean

Double Integration Forum.sm (37kb) downloaded 14 time(s).


The question is why in the stable version integrals are calculated without problems, but in the new one it gives an error in the same places?
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Offline avp  
#18 Posted : 05 July 2022 11:45:21(UTC)
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Originally Posted by: Jean Giraud Go to Quoted Post
... more in there.

Integrate_0 Double Triple.sm (31kb) downloaded 11 time(s).


Bezymjannyjj.png
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Offline avp  
#19 Posted : 05 July 2022 15:35:25(UTC)
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Originally Posted by: Jean Giraud Go to Quoted Post
Originally Posted by: avp Go to Quoted Post
The question is why in the stable version integrals are calculated without problems, but in the new one it gives an error in the same places ?

In other words, you declare a bug.
Designers need the document for doctoring.
... doctor since which SS version ?
1.0.8151.26932 OK
1.0.8206.25180 NFG

Yes, I'm reporting a bug. In version 1.0.8151.26932, dimensionless integrals with limits in the form of arbitrary functions are calculated correctly. In version 1.0.8206.25180, such integrals are not evaluated. The error "x/y - undefined" is returned.

Proizvol'noe sechenie.xlsx (14kb) downloaded 10 time(s). Proizvol'noe sechenie.sm (58kb) downloaded 9 time(s).

Edited by user 05 July 2022 15:39:59(UTC)  | Reason: Not specified
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Offline avp  
#20 Posted : 05 July 2022 16:43:10(UTC)
avp


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Originally Posted by: Jean Giraud Go to Quoted Post
Originally Posted by: avp Go to Quoted Post
Yes, I'm reporting a bug. In version 1.0.8151.26932, dimensionless integrals with limits in the form of arbitrary functions are calculated correctly. In version 1.0.8206.25180, such integrals are not evaluated. The error "x/y - undefined" is returned.

It may be the XLS import ?
Try NOT import as a stand alone system.

It doesn't matter if there is an import from Excel or not.

Proizvol'noe sechenie_no XLSX.sm (74kb) downloaded 16 time(s).
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